Flowcoat (White, Cosmetic Repair)

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Key Features

  • Wax system provides tack-free air cure for easy finishing
  • White TiO₂ pigmentation for opaque coverage
  • Sandable and polishable after 2–4 hours
  • Color-mixable with compatible gelcoat pastes
  • Suitable for repair and secondary coating applications

This white wax-containing flowcoat is formulated for cosmetic surface repair and back-face finishing of FRP laminates. Pre-pigmented white with titanium dioxide and containing paraffin wax for air-curing tack-free capability, it provides a hard opaque white finish on non-mold surfaces, repair patches, and secondary gel coated areas. Used extensively in boat repair yards, bathroom fixture refurbishment, and FRP panel rework. Catalyze with MEKP at 1.5–2%, apply by brush or roller at 0.3–0.5 mm. Gel time 20–35 min at 20°C. Post-cure Barcol hardness 30–40. The wax blooms to the surface during cure, eliminating tack and allowing sanding and polishing after 2–4 hours. For color-matched repairs, mix with compatible color pastes. Can also serve as an internal tank lining coat applied on air-exposed surfaces.

Specifications

ParameterValue
AppearanceWhite wax-containing liquid
Shelf Life6 months at 18–22°C
Tack-Free Time (20°C)45–70 min
Barcol Hardness (post-cure)30–40
Gel Time (20°C, 1.5% MEKP)20–35 min
Film Thickness (recommended)0.3–0.5 mm

Applications

FRP gelcoat repair and touch-upBack-face finishing of boat hulls and decksBathroom fixture and sanitary ware refurbishmentInternal tank and vessel lining coatSecondary cosmetic topcoat on FRP panels

FAQ

Start with this white flowcoat as a base and add small amounts of compatible universal color pastes (black, yellow, red, blue) to match the target color. Test on card first, allow to cure, and compare in natural daylight. Aged gelcoats yellow and oxidize over time, so a perfect color match to new gelcoat is rarely possible — focus on achieving a reasonable visual match after sanding and polishing both the repair and surrounding area.

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